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Polymeric Surge Arrester 9-36kV buy in Rustavi
Buy Polymeric Surge Arrester 9-36kV
Polymeric Surge Arrester 9-36kV

Polymeric Surge Arrester 9-36kV

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Georgia, Rustavi
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Description

Polymeric Surge Arrester 9-36kV

 

ADVANTAGES:

The "INZP" arrester offers all the advantages of a metal oxide distribution arrester in light-weight, low profile poly­meric housing designed for either indoor or outdoor overhead applications. The polymeric housing eliminates the problem of chipped or cracked porcelain that can occur with rough handling or shipping.

The failure mode of the "INZP" arrester is less severe than that of porcelain housed units. When violent failure mode of porcelain housed arresters occurs, it does so when the internal arc from excessive fault current causes thermal frac­ture of porcelain housing and the hot gases created by the arc explodes the porcelain fragments in all directions. The "INZP" with its polymer housing will split open during failure conditions to relieve the internal pressure.

DURABILITY

The "INZP" is tested in accordance with the latest industry standard ANSI/IEEE C62.11-1993 for metal oxide arresters, and also with IEC 60099-4 for class line discharge 1. The "INZP" consistently withstands the following minimum design tests:

·Low Current-Long Duration: 18 current surges of 250 A magnitude and 2000 μs duration.

·Duty cycle: 20 discharges with a current surge of 10 kA magnitude and 8/20 μs wave shape, followed by 2 dis­charges with a current surge of 100 kA magnitude.

Following each of these test, the "INZP" arrester remains thermally stable and the discharge voltage increase at rated current is less than 10%.

5000 HOURS CLIMATIC AGEING TEST

The "INZP" arrester have overcome the 5000 hours of accelerated ageing test of the polymer, carried out according to the annex C of IEC 61109 standard.

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Polymeric Surge Arrester 9-36kV
Polymeric Surge Arrester 9-36kV
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